Pillow



FIG. 1 is a front view of a pillow showing my new design;

FIG. 2 is a rear view thereof showing my new design;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof, being a mirror image of a right side view thereof; and,

FIG. 6 is a front perspective view thereof. 

CLAIM The ornamental design for a pillow, as shown and described. 